#86A553

CSS

:root {
  --lime-it-or-leave-it: #86a553;
  --lime-it-or-leave-it-rgb: 134 165 83;
  --lime-it-or-leave-it-oklch: oklch(0.68 0.115 126.3);
}

.element {
  color: var(--lime-it-or-leave-it);
  background-color: hsl(83 33% 49%);
  border-color: oklch(0.68 0.115 126.3);
}

Tailwind CSS v4

@theme {
  --color-lime-it-or-leave-it: #86a553;
  --color-lime-it-or-leave-it-50: #ebfcd9;
  --color-lime-it-or-leave-it-100: #dcf0c7;
  --color-lime-it-or-leave-it-200: #c6deaa;
  --color-lime-it-or-leave-it-300: #a6c383;
  --color-lime-it-or-leave-it-400: #8dab5d;
  --color-lime-it-or-leave-it-500: #739336;
  --color-lime-it-or-leave-it-600: #617d30;
  --color-lime-it-or-leave-it-700: #4e6426;
  --color-lime-it-or-leave-it-800: #3a4918;
  --color-lime-it-or-leave-it-900: #28330f;
  --color-lime-it-or-leave-it-950: #161e03;
}

SCSS

$lime-it-or-leave-it: #86a553;
$lime-it-or-leave-it-rgb: 134, 165, 83;
$lime-it-or-leave-it-light: mix(#fff, $lime-it-or-leave-it, 20%);
$lime-it-or-leave-it-dark: mix(#000, $lime-it-or-leave-it, 20%);

.element {
  color: $lime-it-or-leave-it;
  box-shadow: 0 0 0 2px rgba($lime-it-or-leave-it, 0.35);
}